This paper examines whether -- in the absence of mandated disclosure requirements -- shareholder activism can elicit greater disclosure of firms' exposure to climate change risks. We find that environmental shareholder activism increases the voluntary disclosure of climate change risks,...

We study whether the Sarbanes-Oxley Act (SOX) of 2002 made firms less opaque. For identification, we use a difference-in-differences estimation approach and compare EU firms that are cross-listed in the US-and therefore subject to SOX-with comparable EU firms that are not cross-listed. We derive...